CN211444580U

CN211444580U - Transmission line overhauls uses special hank to grind device

Info

Publication number: CN211444580U
Application number: CN201922135454.0U
Authority: CN
Inventors: 班卫华; 黄元晨; 黄建伟; 韦海; 商琼玲; 陈伟; 黄树飘; 陈靖; 徐锐; 龙俊; 李兴; 黄虎; 陆万胜; 吴忠举; 韦勇敢; 韦泽昌; 覃珠瑜; 冯绵强; 王业柱; 赵彬
Original assignee: Baise Power Supply Bureau of Guangxi Power Grid Co Ltd
Current assignee: Baise Power Supply Bureau of Guangxi Power Grid Co Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-09-08
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a belong to power transmission line hank and grind technical field, specifically be a special hank and grind device for transmission line overhauls, including the angle steel extension board, the outside upside and the inside downside of angle steel extension board are connected with upper mounting panel and angle steel fixing base respectively through the screw, both ends between upper mounting panel and the angle steel fixing base all are through screw fixed connection, both ends all are connected with the mounting panel through screw fixed connection about the upper surface of upper mounting panel, horizontal grafting has the back shaft on the mounting panel, the both sides the one end that the back shaft deviates from of support shaft all fixedly connected with rocking arm, through the mating action of rocking arm, handle, conveniently rotates the back shaft to make the hank rope sheave rotate and receive the rope or put the rope effect; the rotation of the rope twisting wheel is stable through the matching action between the driving gear and the driven gear on the two sides; through the arrangement of the ratchet wheel and pawl mechanism, the rope reel can only rotate in one direction, so that the condition of reverse rotation is avoided.

Description

Transmission line overhauls uses special hank to grind device

Technical Field

The utility model relates to a power transmission line hank grinds technical field, specifically is a transmission line overhauls with special hank grinds device.

Background

The transmission line is realized by using a transformer to boost the electric energy generated by the generator and then connecting the electric energy to the transmission line through control equipment such as a breaker and the like. The structure form, transmission line divide into overhead transmission line and cable run.

The overhead transmission line consists of a line tower, a lead, an insulator, a line hardware fitting, a stay wire, a tower foundation, a grounding device and the like and is erected on the ground. Power transmission is classified into ac power transmission and dc power transmission according to the nature of the transmitted current. Dc transmission was first successfully achieved in the 80's of the 19 th century. However, the voltage of the dc transmission is difficult to increase continuously under the current technical conditions, so that the transmission capacity and the efficiency are limited. At the end of the 19 th century, direct current transmission was gradually replaced by alternating current transmission. The success of alternating current transmission has already met a new era in the electrified society of the 20 th century.

The grinder is a construction product such as a stringing, a vertical rod and the like which are necessary when the underground wiring of an empty cable is erected, and can smoothly and conveniently erect a conducting wire for lifting, traction or stringing under various complex environments.

The existing winching machine is usually driven by a motor, the motor is driven by the motor, so that labor is saved, but under some use conditions, the motor cannot be stopped immediately due to the inertia effect of a motor rotor, and the defect of low precision is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transmission line overhauls uses special hank to grind device to solve the current hank mill that proposes in the above-mentioned background art and be motor drive usually, motor drive is comparatively used manpower sparingly, but under some in service behavior, because electric motor rotor's inertial action, make the motor can't stop at once, cause the problem of the drawback that the precision is not high.

In order to achieve the above object, the utility model provides a following technical scheme: a special winching device for power transmission line maintenance comprises an angle steel support plate, wherein the upper side and the lower side of the outer part of the angle steel support plate are respectively connected with an upper mounting plate and an angle steel fixing seat through screws, two ends between the upper mounting plate and the angle steel fixing seat are fixedly connected through screws, the left end and the right end of the upper surface of the upper mounting plate are respectively fixedly connected with a mounting plate through screws, a support shaft is transversely inserted in the mounting plate, one end of each support shaft on two sides, which is opposite to the support shaft, is fixedly connected with a rotating arm, a handle is transversely arranged on the rotating arm, one end, which is close to the support shaft, of each support shaft on two sides is provided with a driving gear, the left side and the right side of the upper surface of the upper mounting plate are respectively provided with a vertical plate, the vertical plates on two, driven gears are sleeved at two ends of the rotating shaft and are respectively meshed with the driving gears at two sides, a rope twisting wheel is arranged on the outer wall of the rotating shaft and between vertical plates at two sides, and a ratchet wheel and pawl mechanism is arranged between the mounting plate and the supporting shaft.

Preferably, the outer wall of the rope twisting wheel is concave.

Preferably, the diameter ratio of the driven gear to the driving gear is 2: 1.

preferably, a bearing is sleeved at the joint of the handle and the rotating arm, and the bearing is embedded in the rotating arm.

Preferably, ratchet pawl mechanism includes the shell body, the shell body passes through screw fixed mounting on the mounting panel, fixed the cup jointing has the ratchet on the outer wall of back shaft, and the ratchet is located the inner chamber of shell body, there is the pawl through round pin hub connection on the inner wall of shell body, a lateral wall of pawl passes through the interior wall connection of supporting spring with the shell body, the inner wall of shell body just is located the outside of another lateral wall of pawl and is provided with limit stop.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the supporting shaft is convenient to rotate under the matching action of the rotating arm and the handle, so that the rope twisting wheel rotates to take up or release the rope;

2) the rotation of the rope twisting wheel is stable through the matching action between the driving gear and the driven gear on the two sides;

3) through the arrangement of the ratchet wheel and pawl mechanism, the rope reel can only rotate in one direction, so that the condition of reverse rotation is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic structural view of the ratchet-pawl mechanism of the present invention.

In the figure: the angle iron support plate 1, the angle iron fixing seat 2, the upper mounting plate 3, the mounting plate 4, the support shaft 5, the rotating arm 6, the handle 7, the drive gear 8, the ratchet wheel and pawl mechanism 9, the outer shell 91, the pawl 92, the support spring 93, the ratchet wheel 94, the vertical plate 10, the rotating shaft 11, the driven gear 12 and the rope twisting wheel 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

please refer to fig. 1 —, the present invention provides a technical solution: a special winching device for power transmission line maintenance comprises an angle steel support plate 1, wherein the upper outer side and the lower inner side of the angle steel support plate 1 are respectively connected with an upper mounting plate 3 and an angle steel fixing seat 2 through screws, two ends between the upper mounting plate 3 and the angle steel fixing seat 2 are fixedly connected through screws, and the angle steel support plate 1, the upper mounting plate 3 and the angle steel fixing seat 2 form a basic frame;

the left end and the right end of the upper surface of the upper mounting plate 3 are fixedly connected with mounting plates 4 through screws, supporting shafts 5 are transversely inserted into the mounting plates 4, the ends, away from the supporting shafts 5, of the two sides are fixedly connected with rotating arms 6, handles 7 are transversely arranged on the rotating arms 6, driving gears 8 are arranged at the ends, close to the supporting shafts 5, of the two sides, the handles 7 are held by hands from the outside, and the rotating arms 6, the supporting shafts 5 and the driving gears 8 are driven to rotate through the handles 7 to serve as driving power sources;

vertical plates 10 are arranged on the left side and the right side of the upper surface of the upper mounting plate 3, the vertical plates 10 on the two sides are located between the mounting plates 4 on the two sides, a rotating shaft 11 is transversely installed between the vertical plates 10 on the two sides, two ends of the rotating shaft 11 respectively extend to the outer sides of the vertical plates 10 on the two sides, driven gears 12 are sleeved on two ends of the rotating shaft 11, the driven gears 12 on two ends are respectively meshed with driving gears 8 on the two sides, a rope twisting wheel 13 is arranged on the outer wall of the rotating shaft 11 and located between the vertical plates 10 on the two sides, the rotating driving gears 8 are matched with the driven gears 12 to drive the rotating shaft 11 and the rope twisting wheel 13 to rotate, and;

a ratchet and pawl mechanism 9 is arranged between the mounting plate 4 and the supporting shaft 5, and the rope twisting wheel 13 rotates in a single direction through the arrangement of the ratchet and pawl mechanism 9.

The outer wall of the rope twisting wheel 13 is concave.

The ratio of the diameter of the driven gear 12 to the drive gear 8 is 2: 1, reducing the output rotating speed and saving more labor.

The joint of the handle 7 and the rotating arm 6 is sleeved with a bearing, and the bearing is embedded in the rotating arm 6, so that the rotating friction force of the handle 7 is reduced.

Ratchet pawl mechanism 9 includes shell body 91, and shell body 91 passes through screw fixed mounting on mounting panel 4, and fixed the having cup jointed ratchet 94 on the outer wall of back shaft 5, and ratchet 94 is located the inner chamber of shell body 91, has pawl 92 through round pin hub connection on the inner wall of shell body 91, and a lateral wall of pawl 92 passes through supporting spring 93 and shell body 91's interior wall connection, and the inner wall of shell body 91 just is located the outside of another lateral wall of pawl 92 and is provided with limit stop.

The working principle is as follows: a rope is wound on a rope twisting wheel 13 in advance, the handle 7 is held by hand and the supporting shaft 5 is driven to rotate through the handle 7 and the rotating arm 6, the driven gear 12 is driven by the driving gear 8, and the rotating shaft 11 and the rope twisting wheel 13 are driven to rotate by the driven gear 12, so that the rope twisting wheel 13 can adjust the rope on the rope twisting wheel;

when the supporting shaft 5 rotates, the supporting shaft drives the ratchet wheel 94 thereon to rotate (as shown in fig. 3), when the ratchet wheel 94 rotates clockwise, the pawl 92 can compress the supporting spring 93, so that the pawl 92 turns upwards, but when the ratchet wheel 94 rotates counterclockwise, the limit stopper on the left side limits the pawl 92, so that the pawl 92 limits the ratchet wheel 94, so that the ratchet wheel 94 cannot rotate counterclockwise, so that the supporting shaft 5 can only rotate in one direction, when the supporting shaft 5 needs to rotate counterclockwise, the pawl 92 is lifted up, so that the pawl 92 and the ratchet wheel 94 are not in contact, a pull rod can be arranged on the outer shell 91, the bottom end of the pull rod is connected to the pawl 92, and the pawl 92 can be pulled from the outside.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transmission line overhauls uses special hank grinds device, includes angle steel extension board (1), its characterized in that: the angle steel support plate comprises an angle steel support plate (1), wherein the upper side and the lower side of the outer part of the angle steel support plate (1) are respectively connected with an upper mounting plate (3) and an angle steel fixing seat (2) through screws, two ends between the upper mounting plate (3) and the angle steel fixing seat (2) are fixedly connected through screws, the left end and the right end of the upper surface of the upper mounting plate (3) are respectively fixedly connected with a mounting plate (4) through screws, a support shaft (5) is transversely inserted in the mounting plate (4), one end of each of two sides, away from the support shaft (5), is fixedly connected with a rotating arm (6), a handle (7) is transversely arranged on the rotating arm (6), one end, close to the support shaft (5), of each of two sides is provided with a driving gear (8), the left side and the right side of the upper surface of the upper mounting plate, the vertical plates (10) on the two sides are transversely provided with a rotating shaft (11), the two ends of the rotating shaft (11) extend to the outer sides of the vertical plates (10) on the two sides respectively, driven gears (12) are sleeved at the two ends of the rotating shaft (11), the driven gears (12) on the two ends are meshed with driving gears (8) on the two sides respectively, a rope twisting wheel (13) is arranged on the outer wall of the rotating shaft (11) and between the vertical plates (10) on the two sides, and a ratchet pawl mechanism (9) is arranged between the mounting plate (4) and the supporting shaft (5).

2. The special winching device for power transmission line maintenance according to claim 1, characterized in that: the outer wall of the rope twisting wheel (13) is concave.

3. The special winching device for power transmission line maintenance according to claim 1, characterized in that: the diameter ratio of the driven gear (12) to the driving gear (8) is 2: 1.

4. the special winching device for power transmission line maintenance according to claim 1, characterized in that: and a bearing is sleeved at the joint of the handle (7) and the rotating arm (6), and the bearing is embedded in the rotating arm (6).

5. The special winching device for power transmission line maintenance according to claim 1, characterized in that: ratchet pawl mechanism (9) include shell body (91), shell body (91) are through screw fixed mounting on mounting panel (4), fixed cover on the outer wall of back shaft (5) has connect ratchet (94), and ratchet (94) are located the inner chamber of shell body (91), there are pawl (92) through round pin hub connection on the inner wall of shell body (91), the inner wall connection of a lateral wall through supporting spring (93) and shell body (91) of pawl (92), the outer side that the inner wall of shell body (91) just is located another lateral wall of pawl (92) is provided with limit stop.